Hummer H2. Manual - part 2738

2004 DRIVELINE/AXLE

Transfer Case - Overhaul - BW 4482-NR4 

SPECIFICATIONS 

FASTENER TIGHTENING SPECIFICATIONS 

Fastener Tightening Specifications 

SEALERS, ADHESIVES, AND LUBRICANTS 

Sealers, Adhesives, and Lubricants 

CAPACITIES - APPROXIMATE FLUID 

Capacities - Approximate Fluid 

VISUAL IDENTIFICATION 

Application

Specification

Metric

English

Adapter Studs

31 N.m

23 lb ft

Case Bolts

21 N.m

15 lb ft

Drain Plug

25 N.m

18 lb ft

Encoder Motor Bolts

10 N.m

89 lb in

Encoder Motor Bracket Bolt

10 N.m

89 lb in

Fill Plug

25 N.m

18 lb ft

Vehicle Speed Sensors

17 N.m

13 lb ft

Vent

6 N.m

53 lb in

Application

Type of Material

GM Part Number

United States

Canada

Drain Plug

Pipe Sealant

12346004

10953480

Fill Plug

Pipe Sealant

12346004

10953480

Front Output Shaft Cup Plug

Threadlocker

12345382

10953489

Rear Case Half to Front Case Half

RTV Sealant

12345739

10953541

Transfer Case Fluid

DEXRON(R)III

12346143

10952622

Vehicle Speed Sensor O-Ring

Transfer Case Fluid

12346143

10952622

Vent

Pipe Sealant

12346004

10953480

Application

Specification

Metric

English

DEXRON(R)III Fluid GM P/N 12346143 (Canadian P/N 10952622)

1.4 liters

1.5 quarts

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

TRANSFER CASE DISASSEMBLED VIEW

Fig. 1: Case Components Disassembled View 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 1 

Callout

Component Name

1

Adapter Stud

2

Front Case Half

3

Location Pin

3

Location Pin

4

Vehicle Speed Sensor O-Ring Seal

5

Vehicle Speed Sensor

6

Rear Output Shaft Seal

7

Shipping Seal

8

Fill Plug

9

Shift Detent Lever Seal

10

Encoder Motor

11

Encoder Motor Bolt

12

Encoder Motor Bracket Bolt

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

Fig. 2: Transfer Case Internal Components Disassembled View 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 2 

13

Case Half Bolt

14

Wiring Harness Bracket

15

Drain Plug

16

Rear Case Half

17

Magnet

18

Front Output Shaft Seal

19

Vent

20

Input Shaft Seal

Callout

Component Name

1

Input Gear Bearing

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

2

Annulus Gear

3

Annulus Gear Retaining Ring

4

High/Low Planetary Carrier Assembly

5

Mainshaft Front Support Bearing

6

High/Low Range Sleeve

7

High/Low Range Shift Fork Assembly

8

Shift Fork Shaft

9

Input Gear Thrust Washer

10

Mainshaft

11

Oil Pump

12

Oil Pump Hose Clamp

13

Oil Pump Hose

14

Oil Pump Screen

15

Inner Lockup Hub

16

Lockup Shift Assembly

17

Shift Fork Shaft Spring

18

Lockup Shift Fork

19

Shift Detent Lever Cam

20

Shift Detent Lever Shaft Spring

21

Shift Detent Lever Shaft Sleeve

22

Shift Detent Lever Shaft

23

Drive Sprocket Thrust Washer

24

Drive Sprocket Bushing

25

Drive Sprocket

26

Drive Chain

27

Front Sun Gear

28

Planetary Differential Assembly

29

Rear Output Shaft Thrust Washer

30

Rear Sun Gear

31

Mainshaft Rear Support Bushing

32

Rear Output Shaft

33

Rear Output Shaft Bearing Outer Retaining Ring

34

Rear Output Shaft Bearing

35

Rear Output Shaft Bearing Retaining Ring

36

Speed Reluctor Wheel

37

Front Output Shaft Rear Bearing

38

Driven Gear

39

Front Output Shaft Cup Plug

40

Front Output Shaft

41

Front Output Shaft Front Bearing

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4